Messenger bag



FIG. 1 is a top front perspective view of a messenger bag showing the claimed design;

FIG. 2 is a front view thereof,

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof,

FIG. 6 is a right side view thereof;

FIG. 7 is a top front perspective view of the messenger with a strap; and,

FIG. 8 is a front view of the messenger with a strap.

The broken lines in the figures show portions of the messenger bag that form no part of the claimed design. 

CLAIM The ornamental design for a messenger bag, as shown and described. 